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a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance
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2 votes
a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance

User Diego Barros
by
8.3k points

1 Answer

3 votes

Answer:

1/2 r

Step-by-step explanation:

length is directly proportionate to resistance

with shorter length, the resistance is lower

User Joran Beasley
by
7.6k points
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